I am getting this very same error Matt...This is the error im recieveing when trying to use the iJailbreak
dyld: lazy symbol binding failed: Symbol not found: _sleep$UNIX2003
Referenced from: /Users/mattrobertson/Desktop/iJailBreak.app/Contents/Resources/./ziphone
Expected in: /usr/lib/libSystem.B.dylib
dyld: Symbol not found: _sleep$UNIX2003
Referenced from: /Users/mattrobertson/Desktop/iJailBreak.app/Contents/Resources/./ziphone
Expected in: /usr/lib/libSystem.B.dylib
./script2.sh: line 4: 1292 Trace/BPT trap ./ziphone -j -a -v (133)
Using a PowerBook Firewire 800 1.25Ghz with 2G of memory and 10.4.11
iPhone was 1.1.1 OTB now upgraded to 1.1.3
I get this error and then the iphone goes into restore mode with the iTunes icon and the USB connector
Tried it three times now...